CN215167928U - Detachable scaffold wall connecting system and wall connecting mechanism - Google Patents
Detachable scaffold wall connecting system and wall connecting mechanism Download PDFInfo
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- CN215167928U CN215167928U CN202121076820.0U CN202121076820U CN215167928U CN 215167928 U CN215167928 U CN 215167928U CN 202121076820 U CN202121076820 U CN 202121076820U CN 215167928 U CN215167928 U CN 215167928U
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Abstract
The utility model belongs to the technical field of scaffold frame, concretely relates to detachable scaffold frame is wall system and is wall mechanism even, it influences construction quality and follow-up problem of wasting time and energy when demolising to aim at solving among the prior art when scaffold frame is even wall spare is pre-buried, the detachable scaffold frame that this application provided is wall system even through the method of adorning outward, tie the scaffold frame in taking the pre-buried wall mechanism that links of annular structure, because first structural component and third structural component are pre-buried inside the major structure, the third structural component can strengthen bearing anchor power, when the scaffold frame is to linking wall spare application pressure, the reliability and the security of scaffold frame can be guaranteed to the third structural component. This application can be followed the major structure with first structure and second structure and unscrewed when the scaffold is dismantled, need not cutting side used repeatedly and can promote scaffold dismouting efficiency simultaneously. The construction method has the advantages of simple structure, convenience in mounting and dismounting, no damage to the template, safety in use, low manufacturing cost and no influence on subsequent engineering construction.
Description
Technical Field
The utility model belongs to the technical field of the scaffold frame, concretely relates to detachable scaffold frame is wall system even and is wall mechanism even.
Background
When a building main body is constructed, a scaffold needs to be erected as a construction operation platform of a worker, a method of embedding steel bars or steel pipes in the top of the edge of a floor is generally adopted for a wall connecting piece for connecting the scaffold erected in the prior art and the main body, and then a horizontal steel pipe is connected with the steel bars or steel pipes embedded in the floor to form a stable scaffold system. However, in the method for connecting the scaffold to the wall, after the scaffold is dismantled, the steel pipe or the steel bar needs to be cut off, and the steel pipe or the steel bar head is left on the floor, and in the construction process of the secondary structure, because the tie rod needs to be stretched to the floor, holes need to be reserved during the construction of the secondary structure such as wall building, the one-time construction integrity of the secondary structure can be seriously influenced, the hidden quality trouble is buried for the engineering quality, and the inconvenience is brought to the subsequent construction work.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, namely to solve the problems that construction quality is affected when a scaffold wall connecting piece is embedded in advance and time and labor are wasted during subsequent dismantling in the prior art, the first aspect of the application provides a detachable scaffold wall connecting system which comprises a scaffold, a wall connecting piece, a fixing piece and a fastening piece; the scaffold comprises a wall-attached tie rod arranged along the horizontal direction, and the wall-attached tie rod is provided with an extending end extending to the outside of the scaffold; the fixing piece is vertically arranged; the upper end part of the fixing piece is connected with the extending end of the wall-attached tie rod through the fastening piece, and the lower end part of the fixing piece is connected with a wall connecting piece pre-buried in the main body structure through the fastening piece; the wall connecting piece comprises a first structural member, a second structural member and a third structural member, two ends of the first structural member are respectively in threaded connection with the second structural member and the third structural member, the third structural member is of an L-shaped structure, the third structural member and the first structural member are pre-embedded in a main body structure, one end, away from the first structural member, of the second structural member is provided with an annular structure, and the annular structure extends outside the main body structure; the inner diameter of the annular structure is matched with the outer diameter of the fixing piece, and the annular structure is arranged along the horizontal direction so that the fixing piece penetrates through and fixes the scaffold.
In some preferred technical solutions, the first structural member is a circular truncated cone structure, a prefabricated threaded hole is formed in the center of the circular truncated cone structure, and the length of the first structural member is greater than the sum of the threaded connection ends of the second structural member, the third structural member and the first structural member.
In some preferred technical solutions, the large end of the first structural member is flush with the outer surface of the main structure and is detachably connected with the second structural member, and the small end of the first structural member is detachably connected with the third structural member.
In some preferred embodiments, the large end of the first structural member is provided with an external hexagonal protruding structure, and the external hexagonal protruding structure is used for assisting the separation of the first structural member from the main body structure.
In some preferred technical solutions, the fixing member is a fixing steel pipe.
In some preferred embodiments, the fastener is a scaffold fastener.
The application provides a detachable scaffold wall connecting mechanism in a second aspect, the wall connecting mechanism comprises a first structural member, a second structural member and a third structural member, the first structural member is of a circular truncated cone structure, a through hole is formed in the center of the circular truncated cone structure, the second structural member is of a columnar structure, and the third structural member is of an L-shaped structure; the large end of the first structural member is detachably connected with the second structural member, the small end of the first structural member is detachably connected with the third structural member, and an annular structure is fixed at one end of the second structural member, which is far away from the first structural member;
under the operating condition, first structure with the third structure is pre-buried in the major structure, first structure with the link and the major structure surface parallel and level of second structure, the loop configuration sets up along the horizontal direction, the loop configuration be used for dismantling the connecting piece and run through and fix the scaffold with even wall mechanism.
In some preferred technical solutions, the through hole of the circular truncated cone structure is a threaded hole, and the first structural member, the second structural member and the third structural member are both in threaded connection.
In some preferred embodiments, the large end of the first structural member is provided with an external hexagonal protruding structure, and the external hexagonal protruding structure is used for assisting the separation of the first structural member from the main body structure.
In some preferred technical schemes, the third structural member includes a first embedded portion and a second embedded portion which are orthogonally arranged, in an installation state, one end of the first embedded portion is inserted into a threaded hole of the first structural member, the other end of the first embedded portion extends to the outside of the first structural member and is connected with the second embedded portion, the first embedded portion is embedded in the main body structure along the horizontal direction, and the second embedded portion is embedded in the main body structure along the vertical direction.
The utility model has the advantages that:
the utility model discloses a detachable scaffold frame is wall system even installs the scaffold frame at building boundary beam lateral surface, through the method of adorning outward, with the scaffold frame drawknot on the pre-buried wall mechanism that links of pull ring, because first knot component and third knot component are pre-buried inside the major structure, the bearing capacity can be strengthened in the L shape setting of third knot component, when the scaffold frame applyed pressure to linking the wall spare, the L shape setting of third knot component can provide powerful support for the scaffold frame, guarantee the reliability and the security of scaffold frame. This application need be dismantled after the scaffold frame uses when, can will extend in the second structure of outside can follow the major structure and unscrew, need not the cutting, promotes scaffold frame dismouting efficiency. In addition, the first structural member of the wall connecting mechanism can also be screwed out of the main structure concrete, and the first structural member and the second structural member can be reused, so that the wall connecting mechanism has the advantages of simple structure, convenience in mounting and dismounting, no damage to a template, safety in use, low manufacturing cost and no influence on subsequent engineering construction.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic view of the overall structure of a detachable scaffold wall connecting system according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a detachable scaffold wall connecting mechanism according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a wall connecting member according to an embodiment of the present invention;
FIG. 4 is a three-dimensional schematic view of a first structural member according to an embodiment of the present invention;
FIG. 5 is a front view of a first structural member in an embodiment of the present invention;
list of reference numerals:
1-a first structural member; 101-external hexagonal convex structure; 102-a threaded hole; 2-a second structural member; 201-cyclic structure; 202-a second structural member threaded end; 3-a third structural member; 301-a first pre-buried portion; 302-a second pre-buried part; 4-scaffolding; 401-wall-attached tie rods; 402-a fixture; 403-a fastener; 404-big cross bar; 405-a small crossbar; 5-main body structure; 6-concrete floor.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model relates to a detachable scaffold wall connecting system, which comprises a scaffold, a wall connecting piece, a fixing piece and a fastening piece; the scaffold comprises a wall-attached tie rod arranged along the horizontal direction, and the wall-attached tie rod is provided with an extending end extending to the outside of the scaffold; the fixing piece is vertically arranged; the upper end part of the fixing piece is connected with the extending end of the wall-attached tie rod through the fastening piece, and the lower end part of the fixing piece is connected with a wall connecting piece pre-buried in the main body structure through the fastening piece; the wall connecting piece comprises a first structural member, a second structural member and a third structural member, two ends of the first structural member are respectively in threaded connection with the second structural member and the third structural member, the third structural member is of an L-shaped structure, the third structural member and the first structural member are pre-embedded in a main body structure, one end, away from the first structural member, of the second structural member is provided with an annular structure, and the annular structure extends outside the main body structure; the inner diameter of the annular structure is matched with the outer diameter of the fixing piece, and the annular structure is arranged along the horizontal direction so that the fixing piece penetrates through and fixes the scaffold.
In order to more clearly explain the detachable scaffold wall system of the present invention, the following description is provided with reference to the accompanying drawings to explain the preferred embodiment of the present invention.
As a preferred embodiment of the present invention, the detachable scaffold wall connecting system of the present invention is shown in fig. 1, and includes a scaffold 4, a wall connecting member, a fixing member 402 and a fastening member 403; the scaffold 4 includes a wall-attached tie bar 401 arranged in a horizontal direction, the wall-attached tie bar 401 having an extended end extended outside the scaffold 4; the fixture 402 is vertically disposed; the upper end part of the fixing piece 402 is connected with the extending end of the wall-attached tie rod 401 through a fastener 403, and the lower end part of the fixing piece 402 is connected with a wall connecting piece pre-embedded in the main structure 5 through the fastener 403; the wall connecting part comprises a first structural part 1, a second structural part 2 and a third structural part 3, two ends of the first structural part 1 are respectively in threaded connection with the second structural part 2 and the third structural part 3, the third structural part 3 is of an L-shaped structure, the third structural part 3 and the first structural part 1 are pre-embedded in a main body structure, one end, away from the first structural part 1, of the second structural part 2 is provided with an annular structure 201, and the annular structure 201 extends to the outside of the main body structure 5; the inner diameter of the ring-shaped structure 201 matches the outer diameter of the fixing member 402, and the ring-shaped structure 201 is arranged in the horizontal direction so that the fixing member 402 penetrates and fixes the scaffold 4.
Specifically, the first structural member 1 is a circular truncated cone structure, a prefabricated threaded hole 102 is formed in the center of the circular truncated cone structure, the second structural member 2 comprises a second structural member threaded end 202 matched with the prefabricated threaded hole, an annular structure 201 is arranged at one end, away from the first structural member, of the second structural member 2, preferably, the annular structure 201 is a welded closed ring, and the inner diameter of the closed ring is 5mm larger than the outer diameter of the scaffold steel pipe.
It should be noted that a cylindrical structure with a smooth outer surface is further disposed between the annular structure 201 and the threaded end 202. Further, the third structural member is an L-shaped structure, and specifically comprises a first embedded part 301 and a second embedded part 302 which are orthogonally arranged, wherein the first embedded part 301 is provided with a threaded end matched with the prefabricated threaded hole. Under the installation state, first pre-buried portion 301 one end is inserted to the prefabricated screw hole 102 of first structure 1 in, and the other end extends first structure 1 outside and is connected with pre-buried portion 302 of second, and first pre-buried portion 301 is along the pre-buried in major structure 5 of horizontal direction, and pre-buried portion 302 of second is along the pre-buried in major structure 5 of vertical direction. The length of the first structural member 1 is greater than the sum of the threaded ends of the second structural member 2, the third structural member 3 and the first structural member 1. That is, when the second structural member 2 and the third structural member 3 are simultaneously screwed with the first structural member 1, the lengths of the second structural member 2 and the third structural member 3 extending into the screw hole of the first structural member 1 do not interfere with each other and are arranged at intervals.
Further, the big diameter end of the round platform structure of first structural member 1 of this application just can dismantle with second structural member 2 and be connected with 5 surface parallel and level of major structure, and the little diameter end of the round platform structure of first structural member 1 can dismantle with third structural member 3 and be connected.
In some preferred embodiments, the large diameter end of the circular truncated cone structure of the first structural member 1 is provided with an external hexagonal protruding structure 101, and the external hexagonal protruding structure 101 is used for assisting the first structural member 1 to separate from the main body structure 5, that is, in actual disassembly, the external hexagonal protruding structure 101 can be matched with a hexagonal wrench, and the first structural portion 1 can be driven to separate from the third structural portion 3 by rotation, and because it is a circular truncated cone structure, it can better leave the main body structure 5, so that the first structural member 1 can be reused. The arrangement of the outer hexagonal convex structure can increase the screwing length of the threaded end 202 of the second structural member and enhance the stability, and on the other hand, the outer hexagonal convex structure can more easily screw the first structural member out of the concrete. Preferably, the length of the outer hexagonal convex structure is set to be 12-15mm, the length is the same as the thickness of the template, the outer hexagonal convex structure is still fixed by bolts when being embedded, and the exposed length after the template is detached is 12-15 mm. The minimum wall thickness of the outer hexagonal convex structure is not less than the wall thickness of the small-diameter end of the circular truncated cone structure of the first structural member 1, so that sufficient strength is ensured.
Referring to fig. 1, the present fastener 402 is preferably a fixed steel pipe and the fastener 403 is preferably a scaffold fastener 4. The main structure of the scaffold 4 of the present application is composed of a plurality of 401 wall-attached tie rods, a large cross bar 404 and a small cross bar 405, and the wall-attached tie rods, the large cross bar 404 and the small cross bar 405 are connected through fasteners 403.
This application system when installation, at first with the third structural component 3 and the first structural component 1 firm in connection back of wall spare even, fix in advance in building edge beam template or main part wall post outside mould when the template is propped up, the major diameter one end and the 5 outer fringe parallel and level of major structure of 1 round platform structure of first structural component can adopt interim bolt to twist the prefabricated threaded hole of first structural component from the template outside, and is fixed inseparable with the template, accomplishes pre-buried installation work, can carry out concrete placement work.
The main body formwork is removed, before the scaffold 4 is erected, the threaded end 202 of the second structural member is screwed into the prefabricated threaded hole of the first structural member 1, and the annular structure 201 is in a horizontal state to be used as a wall connecting member of the scaffold 4, so that the fixing member 402, namely the steel pipe, can be connected conveniently.
When the scaffold 4 is erected to the ring structure position of the embedded wall connecting piece 4, the extension end of the wall attaching tie rod 401 is firmly connected with the fastener 403, namely the scaffold fastener, so that the extension end is tightly attached to the main body structure 5, and the space between the scaffold 4 and the main body structure 5 is ensured. And (3) inserting the fixing piece 402 into the annular structure 401, firmly connecting the upper end part of the fixing piece 402 with the wall-attached tie rod 401 by using a fastener, and tightly attaching the fastener 201 to the lower part of the fixed steel pipe after the other end of the fixing piece 402 is inserted into the annular structure 201, thereby completing the tie construction of the scaffold.
When the scaffolding 4 is to be removed, the second structural element 2 is rotated so that it can be unscrewed from the prefabricated threaded holes of the first structural element 1.
The back is demolishd to second structure 2, can match with the outer hexagonal protruding structure 101 of first structure 1 with hexagonal spanner, and rotatory first structure 1 for its separation with the first pre-buried portion of third structure 3, the concrete of back-out, and first structure 1 of this application and second structure 2 can carry out used repeatedly.
The utility model discloses a detachable scaffold frame is wall system even installs the scaffold frame at building boundary beam lateral surface, through the method of adorning outward, with the scaffold frame drawknot on the pre-buried wall mechanism that links of pull ring, because first knot component and third knot component are pre-buried inside the major structure, the bearing capacity can be strengthened in the L shape setting of third knot component, when the scaffold frame applyed pressure to linking the wall spare, the L shape setting of third knot component can provide powerful support for the scaffold frame, guarantee the reliability and the security of scaffold frame. This application need be dismantled after the scaffold frame uses when, can will extend in the second structure of outside can follow the major structure and unscrew, need not the cutting, promotes scaffold frame dismouting efficiency. In addition, the first structural member of the wall connecting mechanism can also be screwed out of the main structure concrete, and the first structural member and the second structural member can be reused, so that the wall connecting mechanism has the advantages of simple structure, convenience in mounting and dismounting, no damage to a template, safety in use, low manufacturing cost and no influence on subsequent engineering construction.
The second aspect of the present application provides a detachable scaffold wall connecting mechanism, which includes a first structural member 1, a second structural member 2, and a third structural member 3, and it can be understood that the detachable scaffold wall connecting mechanism of this embodiment is the wall connecting member in the above embodiments. The first structural member 1 is of a circular truncated cone structure, a through hole is formed in the center of the circular truncated cone structure, the second structural member 2 is of a columnar structure, and the third structural member 3 is of an L-shaped structure; the big end of the first structural member 1 is detachably connected with the second structural member 2, the small end of the first structural member 1 is detachably connected with the third structural member 3, and an annular structure 201 is fixed at one end of the second structural member 2, which is far away from the first structural member 1.
Under the operating condition, first structural component 1 and third structural component 3 are pre-buried in major structure 5, and third structural component 3 is preferred L shape twisted steel, and its end has 90 degrees buckles to reinforcing bar anchor power. The connecting end of the first structural member 1 and the second structural member 2 is flush with the outer surface of the main structure, the annular structure 201 is arranged along the horizontal direction, and the annular structure 201 is used for being detachably connected with a connecting piece to penetrate through and fix the scaffold and the wall connecting piece mechanism. This application annular structure is pre-buried at the main part side, as the company wall spare of scaffold frame. The setting has the advantage that the drawknot piece does not influence the secondary structure of the main body and the engineering construction such as plastering and the like.
In some preferred embodiments, the through hole of the truncated cone structure of the first structural member 1 is a threaded hole 401, and the first structural member 1 is in threaded connection with the second structural member 2 and the third structural member 3.
The large end of the first structural element 1 is provided with an outer hexagonal projection 101, which outer hexagonal projection 101 is used to assist the separation of the first structural element 1 from the main body structure 5. When this application even wall mechanism used and finishes the back and dismantles, earlier rotatory so that it separates with first structure 1 with the second structure, then matches through hexagonal spanner and outer hexagonal protruding structure 101, can drive first structure portion 1 and the separation of third structure portion 3 through rotating, because it is the round platform structure, consequently it can leave major structure 5 better to be convenient for 1 used repeatedly of first structure. The arrangement of the outer hexagonal convex structure can increase the screwing length of the threaded end 202 of the second structural member and enhance the stability, and on the other hand, the outer hexagonal convex structure can more easily screw the first structural member out of the concrete. Preferably, the length of the outer hexagonal convex structure is set to be 12-15mm, the length is the same as the thickness of the template, the outer hexagonal convex structure is still fixed by bolts when being embedded, and the exposed length after the template is detached is 12-15 mm.
It can be understood that the detachable scaffold wall connecting mechanism in this embodiment is the wall connecting member in the above embodiment, and the structures and the use methods of the detachable scaffold wall connecting mechanism and the wall connecting member are the same, and are not described herein again. The utility model provides a detachable scaffold frame even wall mechanism only needs the rotation to realize dismantling after the scaffold frame is demolishd, improves the efficiency of construction, can not influence the integrality of the disposable construction of secondary structure simultaneously, provides the engineering quality, makes things convenient for follow-up construction work.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. A detachable scaffold wall connecting system is characterized by comprising a scaffold, a wall connecting piece, a fixing piece and a fastening piece; the scaffold comprises a wall-attached tie rod arranged along the horizontal direction, and the wall-attached tie rod is provided with an extending end extending to the outside of the scaffold; the fixing piece is vertically arranged; the upper end part of the fixing piece is connected with the extending end of the wall-attached tie rod through the fastening piece, and the lower end part of the fixing piece is connected with a wall connecting piece pre-buried in the main body structure through the fastening piece; the wall connecting piece comprises a first structural member, a second structural member and a third structural member, two ends of the first structural member are respectively in threaded connection with the second structural member and the third structural member, the third structural member is of an L-shaped structure, the third structural member and the first structural member are pre-embedded in a main body structure, one end, away from the first structural member, of the second structural member is provided with an annular structure, and the annular structure extends outside the main body structure; the inner diameter of the annular structure is matched with the outer diameter of the fixing piece, and the annular structure is arranged along the horizontal direction so that the fixing piece penetrates through and fixes the scaffold.
2. A demountable scaffold wall attachment system according to claim 1, wherein the first structural member is a truncated cone structure with a pre-threaded hole centrally located, the length of the first structural member being greater than the sum of the threaded ends of the second structural member, the third structural member and the first structural member.
3. A demountable scaffold wall system according to claim 2, wherein the large end of the first structure is flush with the external surface of the main structure and is detachably connected to the second structure, and the small end of the first structure is detachably connected to the third structure.
4. A demountable scaffolding wall system according to claim 3, wherein the large end of the first structure is provided with a hexagonal male formation for assisting separation of the first structure from the host structure.
5. A demountable scaffold wall system according to claim 4, wherein the fixing members are fixed steel tubes.
6. The demountable scaffolding wall system of claim 5, wherein the fasteners are scaffolding fasteners.
7. A detachable scaffold wall connecting mechanism is characterized by comprising a first structural member, a second structural member and a third structural member, wherein the first structural member is of a circular truncated cone structure, a through hole is formed in the center of the circular truncated cone structure, the second structural member is of a columnar structure, and the third structural member is of an L-shaped structure; the large end of the first structural member is detachably connected with the second structural member, the small end of the first structural member is detachably connected with the third structural member, and an annular structure is fixed at one end of the second structural member, which is far away from the first structural member;
under the operating condition, first structure with the third structure is pre-buried in the major structure, first structure with the link and the major structure surface parallel and level of second structure, the loop configuration sets up along the horizontal direction, the loop configuration be used for dismantling the connecting piece and run through and fix the scaffold with even wall mechanism.
8. The detachable scaffold wall connecting mechanism according to claim 7, wherein the through hole of the circular truncated cone structure is a threaded hole, and the first structural member, the second structural member and the third structural member are both in threaded connection.
9. A demountable scaffold wall attachment mechanism according to claim 8, wherein the large end of the first structure is provided with a hexagonal external protrusion for assisting separation of the first structure from the host structure.
10. The detachable scaffold wall connecting mechanism according to claim 9, wherein the third structural member comprises a first embedded portion and a second embedded portion which are orthogonally arranged, in an installation state, one end of the first embedded portion is inserted into the threaded hole of the first structural member, the other end of the first embedded portion extends out of the first structural member and is connected with the second embedded portion, the first embedded portion is embedded in the main body structure along the horizontal direction, and the second embedded portion is embedded in the main body structure along the vertical direction.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856160A (en) * | 2022-06-01 | 2022-08-05 | 中国核工业第五建设有限公司 | Wall connecting piece structure and fixing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114856160A (en) * | 2022-06-01 | 2022-08-05 | 中国核工业第五建设有限公司 | Wall connecting piece structure and fixing method |
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